The old man turned his business over to his younger son, ____ made his elder son discouraged. 2. There they met people from other parts of the country, __ had also volunteered to help. 3. I live next door to a couple _____ children often make a lot of noise. 4. I prefer to work in black and white, ____ allows me to show different specific worlds more clearly. 5. Many young people , most of ____ were well-educated, headed for remote regions to chase their dreams. 6. Scientists have advanced many theories about why human being cry tears, none of ________ has been proved. 7. The number of smokers, ____ is reported, has dropped by 17 per cent in just one years. 8. It is a truly delightful place, _____ looks the same as it must have done 100 years ago with its winding streets and pretty cottages. 9. Please sent us all the information ______ you have about the candidate for the position. 10. I had to make time to work on the writing assignment ____ deadline was racing close. 11. The exact year ______ Angela and her family spent together in China was 2008. 12. Some experts think reading is the fundamental skill upon ______ school education depends. 13. We’ll reach the sales targets in a month ______ were set at the beginning of the year. 14. ___ is often the case with children, Amy was better by the time the doctor arrived. 15. Finally the y reached a lonely island ___ was completely cut off from the outside world. 16. He wrote many children’s books, nearly half of _____ were published in the 1990s. 17. China Today attracts a worldwide readership, _____ shows that more and more people all over the world want to learn about China.